turrets!

Singleplayer Laser Emitter Button Pedestal Button Weighted Cube Weighted Cube Dropper Fizzler Companion Cube Goo Glass Panel Laser Catcher Reflector Cube Reflector Cube Dropper Stairs Glass Grating Piston Platform Tractor Beam Faith Plate Light Bridge Laser Field Turret Speed Gel Bounce Gel Cleansing Gel Rail Platform Conversion Gel Sphere Button Edgeless Safety Cube Edgeless Safety Cube Dropper Franken Cube Franken Cube Dropper